#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int year = 0;
	int count = 0;
	for ( year = 1000; year <= 2000; year++)
	{
		if (year%4==0)
		{
			if (year%100!=0)
			{
				count++;
				printf("%d ", year);
			}
		}
		if (year%400==0)
		{
			count++;
			printf("%d ", year);
		}
	}
	printf("\n%d\n", count);

	return 0;
}